comparison extra/soundsoftware/update-external-repo.sh @ 242:bde4f47b6427 feature_73

Do more-or-less the right thing to pull in and update external repos

 #!/bin/sh
+
+mirrordir="/var/mirror"
+logfile="/var/www/test-cannam/log/update-external-repo.log"
 
 project="$1"
 local_repo="$2"
 remote_repo="$3"
 
 if [ -z "$project" ] || [ -z "$local_repo" ] || [ -z "$remote_repo" ]; then
     echo "Usage: $0 <project> <local-repo-path> <remote-repo-url>"
     exit 2
 fi
-
 
   # We need to handle different source repository types separately.
   # 
   # The convert extension cannot convert directly from a remote git
   # repo; we'd have to mirror to a local repo first.  Incremental

   # One other thing -- we can't actually tell the difference between
   # the various SCM types based on URL alone.  We have to try them
   # (ideally in an order determined by a guess based on the URL) and
   # see what happens.
 
+project_mirror="$mirrordir/$project"
+mkdir -p "$project_mirror"
+project_repo_mirror="$project_mirror/repo"
 
-  
-  
+  # Some test URLs:
+  # 
+  # http://aimc.googlecode.com/svn/trunk/
+  # http://aimc.googlecode.com/svn/
+  # http://vagar.org/git/flam
+  # https://github.com/wslihgt/IMMF0salience.git
+  # http://hg.breakfastquay.com/dssi-vst/
+  # git://github.com/schacon/hg-git.git
+  # http://svn.drobilla.net/lad (externals!)
+
+# If we are importing from another distributed system, then our aim is
+# to create either a Hg repo or a git repo at $project_mirror, which
+# we can then pull from directly to the Hg repo at $local_repo (using
+# hg-git, in the case of a git repo).
+
+# Importing from SVN, we should use hg convert directly to the target
+# hg repo (or should we?) but keep a record of the last changeset ID
+# we brought in, and test each time whether it matches the last
+# changeset ID actually in the repo
+
+success=""
+
+if [ -d "$project_repo_mirror" ]; then
+
+    # Repo mirror exists: update it
+    echo "$$: Mirror for project $project exists at $project_repo_mirror, updating" 1>&2
+
+    if [ -d "$project_repo_mirror/.hg" ]; then
+	hg --config extensions.convert= convert --datesort "$remote_repo" "$project_repo_mirror" && success=true
+    elif [ -d "$project_repo_mirror/.git" ]; then
+	( cd "$project_repo_mirror" && git fetch "$remote_repo" ) && success=true
+    else 
+	echo "$$: ERROR: Repo mirror dir $project_repo_mirror exists but is not an Hg or git repo" 1>&2
+    fi
+
+else
+
+    # Repo mirror does not exist yet
+    echo "$$: Mirror for project $project does not yet exist at $project_repo_mirror, trying to convert or clone" 1>&2
+
+    case "$remote_repo" in
+	*git*) 
+	    git clone "$remote_repo" "$project_repo_mirror" ||
+	    hg --config extensions.convert= convert --datesort "$remote_repo" "$project_repo_mirror"
+	    ;;
+	*)
+	    hg --config extensions.convert= convert --datesort "$remote_repo" "$project_repo_mirror" ||
+	    git clone "$remote_repo" "$project_repo_mirror"
+	    ;;
+    esac && success=true
+
+fi
+	
+echo "Success=$success"
+
+if [ -n "$success" ]; then
+    echo "$$: Update successful, pulling into local repo at $local_repo"
+    if [ -d "$project_repo_mirror/.git" ]; then
+	if [ ! -d "$local_repo" ]; then
+	    hg init "$local_repo"
+	fi
+	( cd "$local_repo" && hg --config extensions.hgext.git= pull "$project_repo_mirror" )
+    else 
+	( cd "$local_repo" && hg pull "$project_repo_mirror" )
+    fi
+fi